Trapezium with parallel sides 6 cm and 10 cm And height tom. Find the area

Asix-sided die of unknown bias is rolled 20 times, and the number 3 comes up 6 times. in the next three rounds (the die is rolled 20 times in each round), the number 3 comes up 6 times, 5 times, and 7 times. the experimental probability of rolling a 3 is 10 %, which is approximately % more than its theoretical probability. (round off your answers to the nearest integer.)

Find the exact value of cos(arcsin( one fourth for full credit, explain your reasoning. (2 points)

Which graph or graphs appear to show a sinusoid? < me asap !